title: Epidemiological and clinical features of group A Streptococcus pharyngitis in children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D010612:Pharyngitis / Q000453:epidemiology*; D015995:Prevalence; D011446:Prospective Studies; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes